Research on stability control method of photoelectric pod

Photoelectric pod is one of the important equipment of UAV, which can provide real-time target detection, monitoring and identification for UAV. In flight, the photoelectric pod will be affected by the complex aerodynamic environment and flight load, so the stability control of the photoelectric pod is the key to realize its function and performance.

At present, the commonly used stability control methods of the photoelectric pod mainly include mechanical shock absorption measures, electronic anti-shaking measures and attitude control.

1. Mechanical shock absorption measures

Mechanical shock absorption measure is a basic method of stability control of photoelectric pod. Its main function is to transfer the external vibration to the shock absorber through the damping effect of the shock absorber, thus reducing the vibration of the photoelectric pod. At present, the mechanical damping measures mainly include damping suspension device, elastic support, vibration isolation equipment, etc.

2. Electronic anti-shaking measures

Since the photoelectric pod often needs to work in the complex aerodynamic and flight load environment, electronic anti-shaking can realize the stability control of the photoelectric pod. Its main working principle is to analyze and process the image collected by the photoelectric pod in real time through the electronic circuit and signal processing technology, so as to realize the real-time compensation of pixel displacement.

In addition to the traditional image stabilization techniques, some new electronic anti-shaking techniques are being applied to the stability control of the photoelectric pod. For example, the image stabilization control method based on the inertial measurement Unit (IMU) uses the attitude information and motion state information of the photoelectric pod for algorithmic processing, so as to achieve more accurate stability control.

3. Attitude control

Attitude control of photoelectric pod is one of the key technologies for stability control of photoelectric pod. Its function is to control the attitude parameters of the photoelectric pod such as yaw, pitch and roll, and adjust the attitude of the photoelectric pod in real time according to the flight attitude of the UAV. There are two common attitude control methods for photoelectric pod:

1. Feedback control method based on gyroscope and accelerometer. In this method, the attitude of the photoelectric pod is monitored in real time by sensors such as gyroscope and accelerometer, and the measured value is compared with the target value, and the stability of the photoelectric pod is controlled according to the error signal.

2. Adaptive control method based on visual recognition. This method is a model - free feedback control technique based on machine vision recognition. It realizes the attitude control of the photoelectric pod through real-time processing and analysis of the image.

In general, there are various methods for the stability control of the photoelectric pod, which should be selected and adjusted according to the actual situation and operating environment of the photoelectric pod. In the future, with the continuous innovation and development of technology, the photoelectric pod stability control method will show higher intelligence and self-adaptability.